2007 MERCEDES-BENZ GL320CDI service indicator

422 Operation
Maintenance
We strongly recommend that you have
your vehicle serviced by an authorized
Mercedes-Benz Light Truck Center, in
accordance with the Maintenance Booklet
at the times called for by the maintenance
service indicator display.
Maintenance service indicator
message
The maintenance service indicator mes-
sage will notify you when the next mainte-
nance service is due.Starting approximately 1 month before the
next maintenance service is due, one of
the following messages will appear in the
multifunction display while you are driving
or when you switch on the ignition (exam-
ple service A):
Service A in XXXXX miles (km)
Service A in XXX days
Service A in X day
Service A due now
The maintenance services will be indicated
by showing a service type A through type H
in the multifunction display. Types A
through H are classified based on estimat-
ed time needed to perform the mainte-
nance service, ranging:
from
Service A
(approximately 1 hour)
to
Service H
(approximately 8 hours)Refer to Maintenance Booklet for a listing
of maintenance services and intervals they
need to be performed at.
!Failure to have the vehicle maintained in
accordance with the Maintenance Booklet and
maintenance service indicator at the designated
times/mileage will result in vehicle damage not
covered by the Mercedes-Benz Limited
Warranty.
iThe Maintenance System in your vehicle
tracks distance driven and the time elapsed
since the last maintenance service and calcu-
lates other maintenance service work required.

423 Operation
Maintenance
Clearing the maintenance service
indicator message
The maintenance service indicator mes-
sage is automatically cleared

after approximately 10 seconds when
you switch on the ignition or when
reaching the maintenance service
threshold while driving

after approximately 30 seconds, once
the suggested maintenance service
term has passedYou can also clear it yourself:
1Reset button
Press reset button1 on the instru-
ment cluster.
The maintenance service indicator
message is cleared and the standard
display appears in the multifunction
display (
page 164).Maintenance service term exceeded
If you have exceeded the suggested main-
tenance service term, you will see the fol-
lowing message in the multifunction
display:
Service A exceeded by XXXXX miles (km)
Service A exceeded by XXX days
Service A exceeded by X day
In addition, a signal sounds when the
message appears.
Any authorized Mercedes-Benz Light Truck
Center will reset the maintenance service
indicator following a completed mainte-
nance service.

424 Operation
Maintenance
Calling up the maintenance service
indicator display
You can call up the maintenance service in-
dicator display at any time to check when
the next maintenance service is due.
Switch on the ignition (page 42).
Press buttonè orÿ on the mul-
tifunction steering wheel repeatedly
until the standard display appears in
the multifunction display (
page 164).
Press buttonk orj until the
maintenance service indicator display
with the service symbol9 and the
service deadline appears in the multi-
function display.Resetting the maintenance service
indicator
In the event that the maintenance service
on your vehicle is not carried out by an
authorized Mercedes-Benz Light Truck
Center, you can have the maintenance
service indicator reset. The automotive
maintenance facility carrying out the
maintenance service will find the informa-
tion for resetting the maintenance service
indicator in the maintenance-relevant
information for your vehicle. Such informa-
tion is available from either your
authorized Mercedes-Benz Light Truck
Center or directly from Mercedes-Benz.
iIf the battery is disconnected, the days of
disconnection will not be included in the count
shown by the maintenance service indicator.To arrive at the true maintenance service dead-
line, you will need to subtract these days from
the days shown in the maintenance service indi-
cator message or maintenance service indicator
display.
Do not confuse the maintenance service indica-
tor with the engine oil level indicatorN.
!If the maintenance service indicator was
inadvertently reset, have an authorized
Mercedes-Benz Light Truck Center correct it.
Only reset if the proper maintenance service has
been performed. Resetting the system without
performing the proper service as called for by
the maintenance service indicator will result in
engine damage and/or other vehicle damage not
covered by the Mercedes-Benz Limited
Warranty.

439 Practical hints
What to do if …
ProblemPossible cause/consequenceSuggested solution
?(USA only)
±(Canada only)
The yellow engine malfunc-
tion indicator lamp comes
on while driving.There is a malfunction in:

The fuel management
system

The ignition system

The emission control system

Systems which affect
emissions
Such malfunctions may result in
excessive emissions values and
may switch the engine to its
limp-home (emergency opera-
tion) mode (
page 202).
Have the vehicle checked as soon as
possible by an authorized
Mercedes-Benz Light Truck Center.
An on-board diagnostic connector is
used by the service station to link the
vehicle to the shop diagnostics system.
It allows the accurate identification of
system malfunctions through the read-
out of diagnostic trouble codes. It is lo-
cated in the front left area of the
footwell next to the parking brake pedal.
iSome states may by law require you to visit
a workshop as soon as the engine malfunction
indicator lamp comes on. Check local require-
ments.

573 Index
Corner-illuminating front fog lamps* 150
Messages in the
multifunction display 481
Replacing bulbs 514
Crossing obstacles 363
Cruise control 257
Activating 259
Messages in the
multifunction display 454
Cup holders 321
Cleaning 322
Front center console 322
Front center console,
Removing/Installing 322
Rear armrest 321
Curb weight 416
D
Date display, Setting 176, 177
Daytime running lamp mode 147
Setting 178
Deep water see Standing water
Defogging windshield 223, 237
Defrosting, Front 223, 237
Defrosting, Rear 215Delayed shut-off
Exterior lamps 179
Interior lighting 180
Department of Transportation see DOT
Diesel engine
Preglow indicator lamp 29
Differential locks* 206
A few words about 206
Messages in the
multifunction display 493
Switching 207
Difficulties
While driving 66
While starting 60
Digital clock see Clock
Digital speedometer 157, 165
Dimensions, Vehicle 558
Direction of rotation (tires) 388
Displays
Digital speedometer 157, 165
Distronic* 265
Maintenance service indicator 422
Messages in the
multifunction display 451
Multifunction display 157Outside temperature 157, 165
Selecting 175
Symbol messages 469
Text messages 453
Vehicle status message 170, 451
Vehicle system settings, Control
system 161, 163, 170
Distance to empty (range), Trip
Computer 187
Distronic* 262
Activating 268
Cleaning system sensor 430
Control system 266
Deactivating 270
Distance warning function* 274
Distance warning function*
activating/deactivating 186
Driving hints 272
Messages in the
multifunction display 455
Sensor cover 430
Warning and indicator lamps 265

581 Index
Lighting, Exterior and interior 145
Limp-Home Mode 202, 439, 440
Loading see Vehicle loading
Locator lighting 148, 179
Lock buttons, KEYLESS-GO*
Outside door handle 72
Locking the vehicle see Key
Loss of keys, Mechanical key 122
Loss of keys, SmartKey 122
Loss of keys, SmartKey with
KEYLESS-GO* 122
Loss of Service and Warranty Information
Booklet 549
Low beam headlamps
Messages in the
multifunction display 483
Replacing bulbs 509
Switching on 62, 145
LOW RANGE mode* 203
Messages in the
multifunction display 493, 494
Lubricants 560
Lumbar support 139M
Main dimensions 558
Maintenance 12, 422
Calling up service indicator
display 424
Clearing service indicator
message 423
Maintenance System 422
Resetting service indicator 424
Service indicator message 422
Service term exceeded 423
Maintenance System 422
Manual headlamp mode see Headlamps
Maximum cooling, MAXCOOL* see
Automatic climate control
(3-zone)* 239
Maximum load rating, Tires 417
Maximum loaded vehicle weight,
Tires 417
MB Tex upholstery, Cleaning and
care of 434
Mechanical key 500Memory function* see Seats
Menus see Control system menus
Messages in display see Multifunction
display messages
Microphone, Hands-free 34
Minispare wheel see Spare wheel
Mirrors
Adjusting 52
Auto-dimming rear view
mirrors* 211
Exterior rear view mirror 52
Interior rear view mirror 52, 210
MON 376, 563
Multicontour seat* 140
Multifunction display 157
Changing settings see Control system
menus and Control system sub-
menus
Displaying current gear range 200
Selecting display 175
Selecting language 174

583 Index
Off-road - 4-ETS 110
Off-road - ABS 104
Off-road - ESP® 108
Off-road driving
Checklist 359, 365
Crossing obstacles 363
Driving instructions for off-road
driving 357
Driving through water 362
Returning 365
Rules 358
Special driving features 358
Steep terrain 360
Off-road driving program (Vehicles without
enhanced off-road package*) 279
Oil level see Engine oil, Checking level
One-touch gearshifting 202
Operating safety 17
Operator’s Manual 10
Ornamental moldings, Cleaning 429
Outside temperature see Displays
Overdue maintenance service term 423
Overhead control panel 34
Oxidation catalyst (diesel engine) 373P
Paintwork code 550
Paintwork, Cleaning 426
Panic alarm 102
Panorama roof, Rear 214
Parcel net
Front passenger footwell 320
Front seat backrests 320
Parking 68, 352
On hills 68
Over things that burn, Potential
consequences 68, 373
Parking brake 60, 68
Lamps, Indicator and warning 437
Messages in the
multifunction display 471
Releasing 61
Parking lamps 509
Messages in the
multifunction display 482
Replacing bulbs 513
Parking position*
Exterior rear view mirrors 185, 211Parktronic* 31, 32, 290
Cleaning system sensors 430
Minimum distance 292
Range 291
Switching on/off 293
System malfunction 294
System sensors 291
System sensors, Cleaning 430
Warning indicators 25, 292
Parts service 548
PASS AIR BAG OFF indicator lamp see
Front passenger front air bag off
indicator lamp
Passenger compartment 371
Fuse box 546
Interior lighting 151
Interior rear view mirror 34
Parcel net in front passenger
footwell 320
Passenger safety see Occupant safety
Pedals 349
Phone see Telephone*

585 Index
Rear lamps see Tail lamps
Rear panorama roof, Sunshade 214
Rear seat head restraints see
Head restraints
Rear towing eye 542
Rear view camera* 295
Rear view mirrors see Mirrors
Rear window defroster 215
Rear window wiper/washer 65
Rear windows see Power windows
Rear wiper blade 521
Recommended tire inflation
pressure 417
Recovery services,
Stolen vehicle (Tele Aid) 339
Refrigerant, Air conditioning 562
Refueling 375
Regular checks 377
Reminder, Seat belt see Seat belts, Telltale
Remote control
SmartKey 114
SmartKey with KEYLESS-GO* 117
Remote door unlock, Tele Aid 338Replacing bulbs 508
Additional turn signals,
Exterior rear view mirrors 515
Backup lamps 508, 509, 515
Brake lamps 508, 509, 515
Corner-illuminating front fog
lamps* 508, 509, 514
Fog lamp, Rear 508, 509, 515
Fog lamps, Front 508, 509, 514
High beam headlamps 508, 509, 512
License plate lamps 508, 509, 518
Low beam headlamps 508, 509, 511
Parking/standing lamps 508, 509,
513, 515, 517
Side marker lamps, Front 508, 509,
511, 514
Side marker lamps, Rear 508, 509,
515, 517
Tail lamps 508, 509, 515, 517
Turn signal lamps, Front 508, 509,
513
Turn signal lamps, Rear 508, 509,
515, 517Reporting safety defects 19
Research Octane Number see RON
Reset button, In instrument cluster 171
Reset tool
Active head restraints,
Depository 504
Residual heat and ventilation 227, 242
Reverse gear position, Automatic
transmission 192
Rims 417, 554
Roadside Assistance 12
Roadside Assistance button see Tele Aid
RON 376, 563
Roof rails 297
Rubber parts, Cleaning 432
Run Flat Indicator (Canada only) 397
S
Safety
Driving safety systems 103
Occupant safety 74
Reporting safety defects 19
Safety belts see Seat belts
Satellite radio* 166
Seat belt force limiter 91